Terry Gross

New Yorker reporter Dexter Filkins just returned from his latest reporting trip to Afghanistan. "The United States is leaving: mission not accomplished," he writes.

Brian Castner commanded two Explosive Ordnance Disposal units in Iraq, where his team disabled roadside IEDs and investigated the aftermath of roadside car bombings. He returned home a completely different man, which he details in his memoir, The Long Walk.

AIDS is the primary killer of African-Americans ages 19 to 44, and the mortality rate is 10 times higher for black Americans than for whites. A new Frontline documentary explores why.